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Eccentric wheel

A technology of eccentric wheels and eccentric bearings, which is applied in the field of eccentric wheels, can solve the problems of poor stability and unstable installation of eccentric wheels, and achieve the effects of improving stability, improving assembly stability and assembly accuracy, and simplifying assembly

Pending Publication Date: 2018-12-21
长沙多浦乐泵业科技有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to provide an eccentric wheel to solve the problems of unstable installation and poor stability of the eccentric wheel

Method used

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  • Eccentric wheel
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Examples

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Embodiment 1

[0031] see Figure 1 to Figure 6 , an eccentric wheel, this embodiment is applied to the eccentric wheel mechanism of the diaphragm pump.

[0032] An eccentric wheel includes a wheel body 1, a positioning pillow block 2 is arranged at the geometric center of one side of the wheel body 1, and an eccentric bearing column 3 is arranged on the other side of the wheel body 1; the eccentric wheel adopts an elastic One-piece injection molding of non-metallic materials.

[0033] The wheel body 1 is a hollow disc-shaped structure with a closed end surface. The wheel body 1 is divided into a first part 11 and a second part 12 along the plane where the central axis is located; the positioning pillow block 2 is a semi-cylindrical boss located in the first part 11; the eccentric The bearing column 3 is a cylindrical boss, located in the second part 12; the second part 12 of the wheel body 1 has a reinforcing rib 121, and the end surface of the second part 12 has a through hole 122; the th...

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Abstract

The invention provides an eccentric wheel. The eccentric wheel comprises a wheel body; a positioning shaft table is arranged in the geometric center of one side of the wheel body; and an eccentric bearing column is arranged on the other side of the wheel body. The wheel body is of a hollow disc structure with one closed end surface; the wheel body is divided into a first part and a second part along a plane of the center axis; the positioning shaft table is a semi-cylindrical boss, and is positioned on the first part; and the eccentric bearing column is a cylindrical boss, and is positioned onthe second part. A reinforcing rib is arranged in the second part of the wheel body; a through hole is formed in the end surface of the second part; a reinforcing rib is arranged in the first part ofthe wheel body; and the gravity center of the eccentric wheel is on the axis of the wheel body. The gravity center of the eccentric wheel is guaranteed on the axis of the wheel body, so that the usestability of the eccentric wheel when cooperating with other parts is improved. The eccentric bearing column is generally matched and connected with a hole, and a shaft and the hole are tightly bonded, so that the looseness is difficult, the installation is firm, and the assembly stability and the assembly precision of the eccentric wheel are greatly improved.

Description

technical field [0001] The invention relates to the technical field of mechanical transmission, in particular to an eccentric wheel. Background technique [0002] Eccentric wheel, as the name suggests, means that the center of the wheel is not at the point of rotation, and generally refers to a circular wheel. When the circle does not rotate around its own center, it becomes an eccentric wheel. [0003] Eccentric wheels are generally used in mechanical structures to generate reciprocating motion. For eccentric wheels with conventional structures, the center of gravity deviates from the geometric center because the shaft hole is biased to one side, which affects the efficiency and precision of mechanical transmission. Moreover, when the eccentric wheel is connected with other transmission parts, it is easy to loosen and not firm. In diaphragm pumps, metal eccentric wheels are generally used. Metal eccentric wheels can only be machined into circular shaft holes and assembled...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16C3/22F16H57/00
CPCF16C3/22F16H57/0006F16H57/0018
Inventor 王伟清
Owner 长沙多浦乐泵业科技有限公司